* cfgloop.h (struct loop): New field constraints.

[thirdparty/gcc.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 37c5c8e1cefd37985ebadc0b64e0ef88bcdc7673..62a75c9c2d9b046de6cca800cfb76f9efb9049d4 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,16 @@
+2016-07-29  Bin Cheng  <bin.cheng@arm.com>
+
+       * cfgloop.h (struct loop): New field constraints.
+       (LOOP_C_INFINITE, LOOP_C_FINITE): New macros.
+       (loop_constraint_set, loop_constraint_clr, loop_constraint_set_p): New
+       functions.
+       * cfgloop.c (alloc_loop): Initialize new field.
+       * cfgloopmanip.c (copy_loop_info): Copy constraints.
+       * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
+       Adjust niter analysis wrto loop constraints.
+       * doc/loop.texi (@node Number of iterations): Add description for loop
+       constraints.
+
 2016-07-29  Marek Polacek  <polacek@redhat.com>
 
        PR c/7652